▎ 摘　　要

NOVELTY - Graphene type cooling medium comprises graphene and water or oil at mass ratio of 1-10:100000. The graphene has granularity of 0.01-1000 mu m. USE - Graphene type cooling medium used in heat exchanger (claimed). ADVANTAGE - The medium has 9260 times higher heat conducting capacity compared to water, and 38460 times higher compared to oil, large heat capacity, thermal conductivity, and increased heat exchange efficiency. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene type cooling medium comprising taking graphene, adding water or oil, and stirring.